There are usually 28 in a person’s mouth, so we should listen to the doctor’s ______ to protect（保护）them.
| A．tooth, advice | B．teeth, advice | C．toothes, advices | D．teethes, advices |
相关试题
— Have you seen______ pen? I left one here this morning.
— Is it___________ black one? I think I saw it somewhere.
| A．the; the | B．a; a | C．the; a | D．a; the |
Harry Potter is so
interesting a book that lots of teenagers like to read _
| A．it | B．this | C．that | D．one |
— Could you please pass me the book?
| A．Yes, I could | B．No, I couldn't |
| C．Sure. Here you are | D．No, that's no problem |
—Merry Christmas!
—_______.
| A．I’m very happy | B．It’s very kind of you |
| C．Thanks. The same to you | D．My pleasure |
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